Given the system has no solution, find the value of a/b.

3/4x - 1/2y = 12
ax - by = 9

A. 1/2
B. 3/4
C. 3/2
D. -1/2

Which matrix multiplication is possible?

What is the perimeter of square abcd? units units 28 units 37 units

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.